1)direct flushing,正循环洗井2)direct flushing,正循环洗井法3)direct flushing and indirect flushing transfer,正反循环洗井转换4)back-flow,反循环洗井5)water flush,水循环洗井6)4.10 Circulate the hole clean.,循环清洗井眼。
用法和例句
According to the problems of present direct flushing and indirect flushing transfer operation a design for rapid direct flushing and indirect flushing transfer manifold is pot forward.